EUVD-2026-62399

nnn stores homelen variable as uchart, which can only represent values in the range 0-255. An attacker who can influence the victim's execution environment can provide an arbitrary HOME path with length that is truncated to 0. The expression homelen - 1 is promoted to signed int and becomes -1 an...

USN-8649-1 libheif vulnerabilities

It was discovered that libheif had an integer underflow in the Fraction constructor when a clap transform was applied twice. An attacker could possibly use this issue to cause libheif to crash, resulting in a denial of service. CVE-2026-62289 It was discovered that libheif had an out-of-bounds re...

USN-8649-1: libheif vulnerabilities

It was discovered that libheif had an integer underflow in the Fraction constructor when a clap transform was applied twice. An attacker could possibly use this issue to cause libheif to crash, resulting in a denial of service. CVE-2026-62289 It was discovered that libheif had an out-of-bounds re...

BIT-POSTGRESQL-2026-16241 PostgreSQL ECPG integer underflow can crash the client

Integer underflow in PostgreSQL ECPG allows a database server administrator to achieve temporary denial of service against the ECPG client via sending a bytea value lacking the mandatory prefix. The client overwrites a huge memory region with bytes outside attacker knowledge or control. This...

CVE-2026-72326

A flaw was found in the Linux kernel's CAKE Common Applications Kept Enhanced packet scheduler. This vulnerability arises from the incorrect handling of signed overhead values, which can lead to an integer underflow during packet length calculations. A negative effective length can then wrap to a...

CVE-2026-72225

A flaw was found in the Linux kernel's jbd2 journaling layer. An integer underflow vulnerability in the jbd2journalinitializefastcommit function occurs when validating journal capacity. This underflow can corrupt critical journal metadata, such as jlast, jfcfirst, and jfree, leading to a journal...

ALSA-2026:56966 Moderate: gstreamer1-plugins-good security update

GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-good packages contain a collection of well-supported plug-ins of good quality and under the LGPL license. Security Fixes: gst-plugins-good: gst-plugins-good: unbounded memory...

CVE-2026-18102: Heap-based Buffer Overflow

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to overwrite adjacent memory due to an integer underflow during bounds checking...

CVE-2026-16839: Out-of-bounds Read

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to obtain sensitive information due to an integer underflow in the IPv4 IP-options parser...

CVE-2026-16834: Integer Overflow or Wraparound

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to an integer underflow...

PT-2026-78688

Name of the Vulnerable Software and Affected Versions IBM i versions 7.3 through 7.6 Description An integer underflow occurs during bounds checking, which could allow a remote authenticated attacker to overwrite adjacent memory. An integer underflow is a condition where a subtraction operation...

PT-2026-78601

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description An integer underflow in the IPv4 IP-options parser allows a remote attacker to obtain sensitive information. An integer underflow occurs when an arithmetic operation results...

PT-2026-78597

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description A remote attacker could cause a denial of service due to an integer underflow, which occurs when an arithmetic operation results in a value smaller than the minimum...

Moderate: gstreamer1-plugins-good security update

GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-good packages contain a collection of well-supported plug-ins of good quality and under the LGPL license. Security Fixes: gst-plugins-good: gst-plugins-good: unbounded memory...

PT-2026-78362

Name of the Vulnerable Software and Affected Versions nnn version 5.2 Description The software stores the homelen variable as a uchar t, which limits its range to 0-255. An attacker capable of influencing the execution environment can provide a HOME path with a length that is truncated to 0. This...

PT-2026-79992

Integer underflow in PostgreSQL ECPG allows a database server administrator to achieve temporary denial of service against the ECPG client via sending a bytea value lacking the mandatory prefix. The client overwrites a huge memory region with bytes outside attacker knowledge or control. This...

CVE-2026-58087: Integer Underflow (Wrap or Wraparound)

The GETALL and SETALL commands in semctl2 recorded the number of semaphores in the target set, dropped the lock protecting the set, allocated a buffer sized for that count, and reacquired the lock. A sequence-number check was used to verify that the set had not been replaced in the interim, but t...

RHEL 8 : gstreamer1-plugins-good (RHSA-2026:56966)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:56966 advisory. GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-good packages conta...

CVE-2026-62289

libheif is a HEIF and AVIF file format decoder and encoder. In 1.23.0 and earlier, a crafted HEIF or AVIF file containing a clean aperture box can reduce an image dimension to zero and crash or corrupt tiling results when heifimagehandlegetimagetilinghandle, 1, &tiling is called...

CVE-2026-62289 libheif: Integer underflow in Fraction constructor via double clap transform application

libheif is a HEIF and AVIF file format decoder and encoder. In 1.23.0 and earlier, a crafted HEIF or AVIF file containing a clean aperture box can reduce an image dimension to zero and crash or corrupt tiling results when heifimagehandlegetimagetilinghandle, 1, &tiling is called...